The oblique scale snake is non-venomous. The oblique-scaled snake is a small and medium-sized snake. The back is purple-gray-black, and some are light-brown-gray, yellow-brown, dark-brown, light-dark-gray, etc. There are dark-brown horizontal spots from the neck to the tail, and the back of the tail has a light color. The ridge line, black longitudinal stripes on both sides, yellowish-white lips, and brown horizontal spots and spots on the front and rear of the abdomen.

The slender snake lives in mountainous areas at higher altitudes, often by the side of mountain streams , on the roadside, vegetable fields, and on the stone piles. When frightened, the front part of the body is raised up, whistling, and sometimes it twists and does not move on the stone. Often active during the day. The oblique-scaled snake has an odor. It is harvested in Dadong Mountain Forest Area above 800m above sea level in Guangdong and Zengcheng in Guangzhou. Oviparous. Necropsy in June, 23 eggs were conceived, and the largest egg diameter was 4mm × 2mm. Mainly prey on frogs.